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Introductory Physics Homework Help
Electric field of bent non conducting rod
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[QUOTE="kuruman, post: 6055054, member: 192687"] Consider subdividing the 120[SUP]o[/SUP] arc into infinitesimal elements ##ds##. 1. What is the charge on one of these elements? 2. What is the electric field contribution ##dE## from this charge element to the point of interest? 3. Add all such contributions to find the net electric field. Remember that the electric field element ##dE## is a [B]vector[/B] so you have to find its components and add them separately. Part (c) is asking this: Say the field due to the arc is ##E_0##, If you replace the arc by a single charge -Q at distance ##R##, you will get another field ##E_1##. If you write an equation relating the two as ##E_1=\alpha E_0##, what is the value of constant ##\alpha##? [/QUOTE]
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Electric field of bent non conducting rod
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